<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <script src="jquery-3.1.0.min.js"></script>
</head>
<body>
    <button id="anniu">按钮</button>

<script>
    $(document).ready(function(){
        $("#anniu").bind("click",clickHandler1);
        $("#anniu").bind("click",clickHandler2);
//        $("#anniu").unbind("click",clickHandler2); //解除绑定
    })
    function clickHandler1(){
        console.log("clickHandler1");
    }
    function clickHandler2(){
        console.log("clickHandler2");
    }
</script>
</body>
</html>